Permissions Settings UI updates

Changes:
    - Moved non-system permission groups to the end of the list
    - Updated "disabled" look to match non-center looked
    - Fixed state string alpha to match other alphas when not centered
    - Minor code clean ups

BUG: 24132393
BUG: 24132470
BUG: 24131983
Change-Id: I65a64d59e6fff8e0cbdaaa3da4e4a79987d6e624